Teeth grew from the scales of primitive shark-like fish, new evidence has shown. The study found similarities between teeth and small, fang-like scales found on modern cartilaginous fish such as ...

Our teeth may have evolved from the jagged scales of ancient fish, the remnants of which can be seen embedded in the skin of sharks and skates, a study has found. Recent studies on species such as ...

Latest findings support the theory that teeth in the animal kingdom evolved from the jagged scales of ancient fish, the remnants of which can be seen today embedded in the skin of sharks and skate. In ...

In biology, one long-running debate has teeth: whether ancient fish scales moved into the mouth with the origin of jaws, or if the tooth had its own evolutionary inception. Recent studies on species ...